158385039 has 16 divisors (see below), whose sum is σ = 228805632. Its totient is φ = 97066368.

The previous prime is 158385013. The next prime is 158385043. The reversal of 158385039 is 930583851.

158385039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 158385039 - 2⁷ = 158384911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158385739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33919 + ... + 38304.

It is an arithmetic number, because the mean of its divisors is an integer number (14300352).

Almost surely, 2^158385039 is an apocalyptic number.

158385039 is a deficient number, since it is larger than the sum of its proper divisors (70420593).

158385039 is a wasteful number, since it uses less digits than its factorization.

158385039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72286.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 158385039 is about 12585.1117992650. Note that the first 3 decimals coincide. The cubic root of 158385039 is about 541.0508105067.

The spelling of 158385039 in words is "one hundred fifty-eight million, three hundred eighty-five thousand, thirty-nine".